Fig. 4
From: Resection of a rapidly growing chest wall cyst: a case report
Histopathological findings. The lesion was capsulized with a thick tissue of about 5 mm (A) and contained yellowish fibrin and viscous liquid (B). The cyst wall was formed by fibrous connective tissue (C) and infiltration of lymphocytes and CD68-positive histiocytes (D and E). The cyst wall had abundant CD34-positive vascular endothelium, suggesting significant angiogenesis (F)